<template>
    <div class="wrapper">
         <swiper :options="swiperOptions" v-if="showSwiper">
            <swiper-slide v-for="item of swiperList" :key="item.id">
                <img class="swiper-img" :src="item.imgUrl" alt="">
            </swiper-slide>
            <div class="swiper-pagination" slot="pagination"></div>
        </swiper>
    </div>
</template>

<script>
export default {
  name: 'CourselSwiper',
  props:{
      swiperList:Array
  },
  data (){
      return {
          swiperOptions:{
              pagination:'.swiper-pagination',
              loop: true,
              clickable: true,
              paginationType: 'bullets',
          }
      }
  },
  computed: {
      showSwiper (){
          return this.swiperList.length
      }
  }
}
</script>

<style lang="stylus" scoped>
    .wrapper >>> .swiper-pagination-bullet-active
        background: #fff
    .wrapper
        overflow: hidden
        width: 100%
        height: 0
        padding-bottom:31.25%
        .swiper-img
            width: 100% 
</style>